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CVE-2026-91930

Flowise before 3.1.4 Cross-Tenant Organization Admin Takeover

Published: Sep 15, 2026Updated: Sep 23, 2026 Sources: CVE List NVDCWE-266

Description

Flowise before 3.1.4 fails to scope enterprise organization and workspace membership APIs to the caller's tenant, allowing authenticated users to supply arbitrary organization IDs. Attackers can add themselves as organization owners, create workspaces, and gain administrative access to victim organizations by exploiting insufficient tenant isolation in the organizationuser and workspace endpoints.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High

Weaknesses

Affected Products

FlowiseAI
oss-projectaka flowise, flowise-components, embed

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

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